package io.xccit.security.config;

import io.xccit.security.filter.CustomLoginFilter;
import io.xccit.security.filter.TokenAuthenticationFilter;
import io.xccit.security.service.ISysLoginLogService;
import io.xccit.security.util.AuthMD5PassEncoder;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.security.authentication.AuthenticationManager;
import org.springframework.security.config.annotation.authentication.builders.AuthenticationManagerBuilder;
import org.springframework.security.config.annotation.method.configuration.EnableGlobalMethodSecurity;
import org.springframework.security.config.annotation.web.builders.HttpSecurity;
import org.springframework.security.config.annotation.web.builders.WebSecurity;
import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;
import org.springframework.security.config.http.SessionCreationPolicy;
import org.springframework.security.core.userdetails.UserDetailsService;
import org.springframework.security.web.authentication.UsernamePasswordAuthenticationFilter;

import javax.annotation.Resource;

/**
 * @author CH_ywx
 * @date 2023-06-27
 * @description SpringSecurity配置类
 */
@Configuration
@EnableWebSecurity //@EnableWebSecurity是开启SpringSecurity的默认行为
@EnableGlobalMethodSecurity(prePostEnabled = true)//开启注解功能，默认禁用注解
public class WebSecurityConfig extends WebSecurityConfigurerAdapter {

    @Resource
    private UserDetailsService userDetailsService;

    @Resource
    private AuthMD5PassEncoder authMD5PassEncoder;

    @Resource
    private RedisTemplate<String, Object> redisTemplate;

    @Resource
    private ISysLoginLogService sysLoginLogService;

    @Bean
    @Override
    protected AuthenticationManager authenticationManager() throws Exception {
        return super.authenticationManager();
    }

    @Override
    protected void configure(HttpSecurity http) throws Exception {
        // 这是配置的关键，决定哪些接口开启防护，哪些接口绕过防护
        http
                //关闭csrf
                .csrf().disable()
                // 开启跨域以便前端调用接口
                .cors().and()
                .authorizeRequests().antMatchers("/doc.html","/login")
                .authenticated()
                // 其它所有接口需要认证才能访问
                .anyRequest().authenticated()
                .and()
                //TokenAuthenticationFilter放到UsernamePasswordAuthenticationFilter的前面，这样做就是为了除了登录的时候去查询数据库外，其他时候都用token进行认证。
                .addFilterBefore(new TokenAuthenticationFilter(redisTemplate), UsernamePasswordAuthenticationFilter.class)
                .addFilter(new CustomLoginFilter(authenticationManager(), redisTemplate,sysLoginLogService));

        //禁用session
        http.sessionManagement().sessionCreationPolicy(SessionCreationPolicy.STATELESS);
    }

    @Override
    protected void configure(AuthenticationManagerBuilder auth) throws Exception {
        // 指定UserDetailService和加密器
        auth.userDetailsService(userDetailsService).passwordEncoder(authMD5PassEncoder);
    }

    /**
     * 配置哪些请求不拦截
     * 排除swagger相关请求
     *
     * @param webSecurity
     * @throws Exception
     */
    @Override
    public void configure(WebSecurity webSecurity) throws Exception {
        webSecurity.ignoring().antMatchers("/favicon.ico", "/swagger-resources/**",
                "/webjars/**", "/v2/**", "/swagger-ui.html/**", "/doc.html");
    }
}